Silence some noise.
Silence benign errors in bash scripts.
Start modularizing shell scripts

Pull release tarball building out of release.sh into new
build-release.sh, so you can build the tarball without uploading
to cloud storage.
Fix build-release comments.
Merge pull request #404 from thockin/cleanups

Fix go lint errors in util
Merge pull request #399 from MSOpenTech/silence-error

Silence benign errors in bash scripts.
Merge pull request #400 from MSOpenTech/shell-scripts

Start modularizing shell scripts
fix go lint errors in util
Fixed SCRIPT_DIR computation when CDPATH is set.
Merge pull request #409 from nyaxt/fixlint2

fix go lint errors in util
Merge pull request #412 from ggtools/master

Fixed SCRIPT_DIR computation when CDPATH is set.
Fix go idiom feedback